38828773040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1888559}}^1$

素因数の和:1888829

約数の個数: 40

約数和(自身を含む): 90628217280

約数和(自身を除く): 51799444240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 1888559, 3777118, 7554236, 9442795, 15108472, 18885590, 30216944, 37771180, 75542360, 151084720, 485359663, 970719326, 1941438652, 2426798315, 3882877304, 4853596630, 7765754608, 9707193260, 19414386520, 38828773040]

約数ペア:

[(1, 38828773040), (2, 19414386520), (4, 9707193260), (5, 7765754608), (8, 4853596630), (10, 3882877304), (16, 2426798315), (20, 1941438652), (40, 970719326), (80, 485359663), (257, 151084720), (514, 75542360), (1028, 37771180), (1285, 30216944), (2056, 18885590), (2570, 15108472), (4112, 9442795), (5140, 7554236), (10280, 3777118), (20560, 1888559)]